0 the most important male character in a pantomime (= musical play for children) played by a woman --
Later, she played the principal boy roles.
She also played in pantomime as a principal boy.
She also played the principal boy in a number of pantomimes.
She also played the principal boy in many pantomimes.
In pantomime, a principal boy role is the young male protagonist of the play, traditionally played by a young actress in boy's clothes.
But we have to remember that all this was during the pantomime season and that the new principal boy had to go on the boards.